Betting a flat 1/20th of bank is very dangerious .
1/60th flat with a 22% SR would be a stronger idea because one will hit 20 outs in a row, no matter how good the selection plan is.
Its just one of those things in punting that one has to take on board if one is going to punt sereiously.

Back to our friend & the $300 a day.
I would surgest taking 1/10th of bank for the day say $600 of a $6000 bank.

If you blow the $600
Grab another $600 the next punting day.

Bet 5% of this up & down .
1st bet would be $30
Try betting this EW if prices look OK, it is a lot safer this way.
$30 w & $30 plc = 10% of bank
Otherwise $30 win only.

Another way is to bet 2 horses a race , placing a 1/5th of total O/L insurance bet on the other horse & the remainder on your main selection, this helps protect the bank & should not affect the POT very much because of the damage contained by the saver bets if they get up.
Of course if neither get up you would have lost the same amount whether one horse one or two horses were bet , the loss is the same.

If this loses, next bet is 5% of remaining bank.
e.g. Remaining bank $570 next bet $28

If one hits a winner , add profit to the days punting bank e.g. Bank now $660
Next bet 5% of increased bank = $33

. Try & target horses in the $3.50-4.00 range or higher.
. In fields of 11 runners & less.
. Try to bet with a book maker or Betfair ,
you will find that you will usually get 1-2pts better which adds up to an increadable amount . Its the difference of breaking even with the TAB & making 10% POT with the other online services.

If one has a good day, place all the money into the main bank then take out 10% of the increased bank on the next punting day.

If its a bad day one will have not blown the lot because of the reducing of bets after a loser, so place the remainder back into the main bank then take out a flat $600 next punting day.
We never take out anything less than $600 out of the main bank.
We take out more than $600 only if our bank has increased.

Stop betting for the day once $300 in front.


Cheers.

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Cheers.